21423528

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4723}}^1$

素因数の和:4748

約数の個数: 80

約数和(自身を含む): 68592480

約数和(自身を除く): 47168952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4723, 9446, 14169, 18892, 28338, 33061, 37784, 42507, 56676, 66122, 85014, 99183, 113352, 127521, 132244, 170028, 198366, 255042, 264488, 297549, 340056, 382563, 396732, 510084, 595098, 765126, 793464, 892647, 1020168, 1190196, 1530252, 1785294, 2380392, 2677941, 3060504, 3570588, 5355882, 7141176, 10711764, 21423528]

約数ペア:

[(1, 21423528), (2, 10711764), (3, 7141176), (4, 5355882), (6, 3570588), (7, 3060504), (8, 2677941), (9, 2380392), (12, 1785294), (14, 1530252), (18, 1190196), (21, 1020168), (24, 892647), (27, 793464), (28, 765126), (36, 595098), (42, 510084), (54, 396732), (56, 382563), (63, 340056), (72, 297549), (81, 264488), (84, 255042), (108, 198366), (126, 170028), (162, 132244), (168, 127521), (189, 113352), (216, 99183), (252, 85014), (324, 66122), (378, 56676), (504, 42507), (567, 37784), (648, 33061), (756, 28338), (1134, 18892), (1512, 14169), (2268, 9446), (4536, 4723)]